X Can't "see" my docked monitor - and the winner is?

[Doug Barton]

On Tue, 6 Nov 2007, Doug Barton wrote:

> I just did the mondo upgrade of the ports on my up to date 8-current
> laptop. Whereas before the upgrade the default video output would always
> be the monitor attached to the dock if my laptop was in the dock (which
> was what I wanted), now X refuses to see the dock at all, and it will only
> come up on the laptop screen.
>
> The console works just fine on the dock's monitor, and I double-checked
> the bios to make sure that the dock is set as primary video out. I also
> commented out all mentions of the laptop's screen from xorg.conf, but it
> steadfastly insists on coming up only on the laptop.
>
> All my ports are up to date, including kde 3.5.8, and nvidia-driver
> 100.14.19. I also tried with and without the -ignoreABI option, no change.
> I should also point out that I'm using kdm, but I was using it before the
> upgrade too. Turning kdm off and using startx has no effect (still comes
> up only on the laptop screen).

Finally had a chance to test the next part of this, and it turns out that 
the problem is with the new nvidia driver. If I roll back to 100.14.11 
then all is well.

Doug